Formby Bay Weather Forecast

    • 10
    • 19

    Mostly clear

    • 11
    • 20

    Becoming cloudy

    • 13
    • 20

    Possible shower

    • 11
    • 18

    Showers

    • 11
    • 18

    Shower or two

    • 10
    • 19

    Shower or two

    • 11
    • 19

    Possible shower

Today 21 May Yorke Peninsula

Mostly sunny. Light winds becoming east to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 20.

Central Coastal Waters

Wind
North to northeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Formby Bay Temperature Statistics View More

May Temperature

Stenhouse Bay (24km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    28.9 °C

Climate (2021–Present)

Stenhouse Bay (24km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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